Global CNC has
Proudly manufactured our USA : Michigan Made Bushings for over 3
decades. All Toolholder Bushings are made from Alloy Steel and
are Precision Machined and Ground Concentric. Our Tool Holder
Bushings continue to set the industry standards for Quality and are
made according to ISO Standards. Our Set-up Tooling Bushings
are Stocked for same Day Delivery in our Michigan Headquarters.
We also offer 4 variations as Standard for our Bushings : Inch
OD/Inch ID : Metric OD/Inch ID : Inch OD/Metric ID : and
Metric OD/Metric OD.

"Z
Style Tool Holder Bushing":Elongated Slot. Head with
2 Set Screws positioned 90 degrees apart for
increased Rigidity and Decreased Chatter. Z Short ("ZS") and Z Long ("ZL") also available.
This Z Bushing is the most flexible Toolholder Bushing for all CNC Turning
Centers, Turret Lathes and Chuckers. The Elongated Slot gives the user a
complete interchangeability with all brands of Equipment. The Bushings can
also be used for Preset Tooling.

Diameter

3/4" OD

1" OD

1- 1/4" OD

1-
1/2" OD

1-
3/4" OD

2" OD

2
-1/2" OD

Part Number

8640Z (ID)

8641Z (ID)

8642Z (ID)

8643Z (ID)

8644Z (ID)

8645Z (ID)

8646Z (ID)

Length Under Head

2.50"

2.75"

3"

3.25"

3.50"

3.75"

4.25"

ID's

1/4 , 5/16, 3/8,1/2

1/4 , 5/16, 3/8,1/2, 5/8, 3/4

3/8, 1/2, 5/8, 3/4, 7/8,
& 1"

3/8, 1/2, 5/8, 3/4, 7/8, 1"
& 1-1/4"

1/2, 5/8, 3/4, 7/8, 1", 1 -1/4", & 1 1/2"

1/2, 5/8, 3/4, 7/8, 1",
1 1/4", 1 1/2", & 1 3/4"

5/8, 3/4, 7/8, 1", 1 1/4", 1
1/2", 1 3/4", 2 " & 2 1/4"

This is our Most Popular Bushing : due to flexibility and lower
cost. This CNC Type C Bushing is designed for Universal Use on
all CNC Turning Machines. To adapt a wide variety of Boring
Bars, Drills, Reamers and Shank type tools.

1/2, 5/8, 3/4, 7/8, 1",
1 1/4", 1 1/2", & 1 3/4"

3/4, 1", 1
1/4", 1 1/2", 1 3/4", 2 " &
2 1/4"

Diameter

1-
1/2" OD

2" OD

PartNumber

8613CNL (ID)

8615CNL (ID)

Length Under Head

3.74"

3.74"

ID's

3/8, 1/2, 5/8, 3/4, 7/8, 1"
& 1-1/4"

1/2, 5/8, 3/4, 7/8, 1", 1 1/4", 1-1/2", & 1 3/4"

"J
Style Tool Holder Bushing":Two Hole Style. This J Bushing Requires precise alignment of Set
Screws from the Turret Block with the location of the Holes on the Bushing. Clearance Holes to clamp directly on the Tool.

Diameter

1" OD

1
-1/4" OD

1-
1/2" OD

1-
3/4" OD

2" OD

2
-1/2" OD

PartNumber

8602J (ID)

8612J (ID)

8603J (ID)

8604J (ID)

8605J (ID)

8606J (ID)

Length Under Head

1.75"

2.125"

2.50"

3"

3.50"

4"

ID's

3/8, 1/2, 5/8,
3/4

3/8, 1/2, 5/8, 3/4, 7/8,
& 1"

3/8, 1/2, 5/8, 3/4, 7/8, 1"
& 1-1/4"

1/2, 5/8, 3/4, 7/8,
1",1 - 1/4", &

1- 1/2"

1/2, 5/8, 3/4, 7/8, 1", 1 1/4", 1 1/2", & 1 3/4"

3/4, 7/8, 1", 1 1/4",

1 1/2", 1 3/4", 2
" & 2 1/4"

"B Style
Tool Holder Bushing":Split Style. This B Busing is generally Shorter in Length.
To Hold : Clamp on Flat with Set Screws from Turret Block and the Bushing then collapses to
hold the tool.

8654L (ID)

8656L (ID)

8657L (ID)

Overall Length

3"

3"

4.50

4.50

ID's

3/8, 1/2,
5/8, 3/4, 1", 1-1/4"

1/2, 5/8,
3/4, 1", 1-1/4", 1-1/2"

5/8, 3/4,
1", 1-1/4", 1-1/2", 1-3/4", 2"

3/4, 1",
1-1/4", 1-1/2", 1-3/4", 2", 2-1/4"

"LB
Style Tool Holder Bushing": Designed for use on Okuma LB Machines. Four Hole
Style with Coolant Notches in Head.

Diameter

1-
1/4" OD

1-
1/2" OD

2" OD

Part Number

8612LB (ID)

8613LB (ID)

8615LB (ID)

Length Under Head

3.125

3.125

4.50

ID's

3/8, 1/2,
5/8, 3/4, 7/8, 1"

3/8, 1/2,
5/8, 3/4, 7/8, 1", 1-1/4"

1/2, 5/8,
3/4, 7/8, 1", 1-1/4", 1-1/2", 1-3/4"

"LBF Style
Tool Holder Bushing":
Designed for use on Okuma LB Machines.
Flat and Set Screw Style. Coolant Notches on Head. Used Universally

Diameter

1
-1/4" OD

1-
1/2" OD

2" OD

Part Number

8612LBF (ID)

8603LBF (ID)

8605LBF
(ID)

Length Under Head

2- 13/16

3- 5/32

3- 3/4

ID's

3/8, 1/2,
5/8, 3/4, 7/8, 1"

3/8, 1/2,
5/8, 3/4, 7/8, 1", 1-1/4"

1/2, 5/8,
3/4, 7/8, 1", 1-1/4", 1-1/2", 1-3/4"

"Boring Bar
Sleeve": Longer Style Toolholder. Ideal for
Coolant thru Tools. 1-1/2" OD have neck-down Style configuration. These Boring
Bar Sleeves do have a Relief in them :
they are not Ground for the entire length of the ID : this is the only style
made like this with a Relief.